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Columbite-(Mn)

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JYJ959285

Columbite-(Mn)

Description Tabs

Description
Locality: 
Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.6 × 1.3 cm
Description

Red prismatic columbite-Mn crystals in matrix from Mendig, Laach lake, Eifel Mts., Germany. 

 

Mineral Data
What's on the rock

Columbite-(Mn)

Formula: 
(Mn,Fe)(Nb,Ta)2O6
Strunz: 
4.DB.35
Hardness: 
6.0